using System.Security.Claims;
using Domain.Entities.Donations.ValueObject;
using MediatR;
using Web.Api.Common;
using Web.Api.Extensions;

namespace Web.Api.Endpoints.Ranking;

internal sealed class GetRanking : IEndpoint
{
    public void MapEndpoint(IEndpointRouteBuilder app)
    {
        app.MapGet("api/ranking", async (
            string? type,
            string? period,
            string? category,
            int? page,
            int? perPage,
            ClaimsPrincipal? user,
            ISender sender,
            CancellationToken ct
        ) => {
            var rankingType = ParseType(type);
            var rankingPeriod = ParsePeriod(period);
            var viewerId = user?.GetMemberID();

            var query = new Application.Features.Api.Ranking.GetRanking.Query(
                rankingType,
                rankingPeriod,
                category,
                page ?? 1,
                perPage ?? 50,
                viewerId
            );

            var data = await sender.Send(query, ct);
            return ApiResponse.Ok(data);
        })
        .WithTags("Ranking");
    }

    private static RankingType ParseType(string? type) {
        return type?.ToLowerInvariant() switch {
            "creator" => RankingType.Creator,
            "donor" => RankingType.Donor,
            _ => RankingType.Comprehensive
        };
    }

    private static RankingPeriod ParsePeriod(string? period) {
        return period?.ToLowerInvariant() switch {
            "today" => RankingPeriod.Today,
            "yesterday" => RankingPeriod.Yesterday,
            "week" => RankingPeriod.Week,
            "last-month" or "lastmonth" => RankingPeriod.LastMonth,
            "all" => RankingPeriod.All,
            _ => RankingPeriod.Month
        };
    }
}